RANKING · 2010 CENSUS · 14 SHOWN OF 14

Most population lost, Massachusetts counties · 2010

Massachusetts counties that lost the most residents from the 2000 census to 2010, by raw count of people rather than percentage. This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Barnstable County, MAMA233,539-6,342−118%

02Berkshire County, MAMA128,224-3,734−15%

03Franklin County, MAMA70,698-163−111%

04Nantucket County, MAMA14,758+652−81%

05Dukes County, MAMA21,219+1,548−54%

06Hampshire County, MAMA164,065+5,829+3%

07Hampden County, MAMA464,338+7,262−8956%

08Bristol County, MAMA593,640+13,607−52%

09Essex County, MAMA826,653+19,740−63%

10Norfolk County, MAMA739,749+20,542−40%

11Plymouth County, MAMA546,829+22,097−41%

12Suffolk County, MAMA791,891+32,216+24%

13Middlesex County, MAMA1,669,979+37,689−44%

14Worcester County, MAMA888,502+47,589+15%

SHOWING 1–14 OF 14

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS